Home / 12,152,261.60-18,230,161.44-4,479,578.72

Finding the Fourth Proportional to 12,152,261.60, 18,230,161.44 and 4,479,578.72

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Solution

The fourth proportional to 12,152,261.60, 18,230,161.44 and 4,479,578.72 is: 6,720,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152,261.60 : 18,230,161.44 = 4,479,578.72 : x
  2. Step 2: Convert to fraction form
    12,152,261.60/18,230,161.44 = 4,479,578.72/x
  3. Step 3: Cross multiply
    12,152,261.60x = 18,230,161.44 × 4,479,578.72
  4. Step 4: Simplify right side
    12,152,261.60x = 81,663,443,248,788.56
  5. Step 5: Solve for x
    x = 81,663,443,248,788.56/12,152,261.60
  6. Step 6: Final answer
    x = 6,720,020.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.